Adds regression tests for Scala Bug 9061
Adds regression tests for Scala Bug 9061

These tests were fixed by some change already in Scala 2.13.x

lrytz/scala,martijnhoekstra/scala,scala/scala,scala/scala,martijnhoekstra/scala,lrytz/scala,martijnhoekstra/scala,scala/scala,scala/scala,scala/scala,lrytz/scala,lrytz/scala,scala/scala,martijnhoekstra/scala,martijnhoekstra/scala,lrytz/scala,martijnhoekstra/scala,lrytz/scala